
.totalBlock{
    width: 800px;
    height: 800px;
    margin: 10px auto;
    display: flex;
}
.menu{
    width: 100px;
    height: 800px;
}
.menu li{
    list-style: none;
    margin-top: 10px;
    height: 40px;
    width: 50px;
    border: 1px solid black;
    line-height: 40px;
    text-align: center;
}
.information li{
    list-style: none;
    margin-top: 30px;
}
.information{
    width: 700px;
    height: 800px;
    margin-left: 200px;
}
.active{
    background-color: gainsboro;
    color: red;
}